This is 2d monopoles on the 2d surface of a material.
This is equivalent to propping up a horseshoe magnet with the ends up, and laying a piece of paper across it; that also gives you a 2d surface with a pair of monopoles on it.
It's still interesting and probably useful for building things, but it's not "we broke a known law of physics".
I don't think the paper cares, since it's about how the fields on the surface behave locally while the other pole needing to exist (and of course it could be split into multiple weaker ones, or smeared out, or whatever) is an invariant that applies to the object as a whole.
This is equivalent to propping up a horseshoe magnet with the ends up, and laying a piece of paper across it; that also gives you a 2d surface with a pair of monopoles on it.
It's still interesting and probably useful for building things, but it's not "we broke a known law of physics".